clk.c
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/*
* Copyright (C) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <asm/clk.h>
#include <dm/test.h>
#include <linux/err.h>
#include <test/ut.h>
static int dm_test_clk(struct unit_test_state *uts)
{
struct udevice *dev_fixed, *dev_clk, *dev_test;
ulong rate;
ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
&dev_fixed));
ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
&dev_clk));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
&dev_test));
ut_assertok(sandbox_clk_test_get(dev_test));
ut_asserteq(1234,
sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_FIXED));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
12345);
ut_assert(IS_ERR_VALUE(rate));
rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
ut_asserteq(1234, rate);
ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI,
1000));
ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C,
2000));
ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI,
10000));
ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C,
20000));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
ut_assert(IS_ERR_VALUE(rate));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
ut_assert(IS_ERR_VALUE(rate));
ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_disable(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_disable(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_free(dev_test));
return 0;
}
DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);